Thermoplastic elastomer rolled bellows
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United States of America Patent
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Jul 30, 2002
Grant Date -
N/A
app pub date -
Nov 19, 1999
filing date -
Feb 27, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
A rolling boot for sealing a universal joint, having a first collar with a larger diameter to be secured to the outer joint part of the universal joint and having a second collar with a smaller diameter to be secured to a shaft at the inner joint part of the universal joint, and having a semi-toroidal boot wall connecting the collars, wherein the rolling boot is an injection-moulded or blow-moulded product, the rolling boot consists of a thermo-plastic elastomer and the elastomer is irreversibly cross-linked up to a degree ranging between 15 and 85%.
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